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Frankie is practicing for a 5?kilometer race. His normal time is 31 minutes 24 seconds. Yesterday it took him only 29 minutes 47 seconds. How much faster was Frankie yesterday than his normal time?

Respuesta :

Answer: 1 minute 37 seconds (97 secs)

Step-by-step explanation:

31 x 60 = 1860

1860 + 24 = 1884

29 x 60 = 1740

1740 + 47 = 1787

1884 - 1787 = 97

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